Neuropathic pain is a chronic pain resulting from injury to the nervous system. The injury can be of the central nervous system (brain and spinal cord) or the peripheral nervous system (nerves outside the brain and spinal cord).
Fibromyalgia is a chronic disorder that causes pain in the muscles and joints. It’s a syndrome, which is a collection of symptoms that occur together. Although many people think of it as an arthritic condition due to the symptoms, it’s not a type of arthritis.
Postherpetic neuralgia (PHN) can be defined as the complication of shingles, caused by the chickenpox (herpes zoster) virus. It generally affects nerve fibers and skin, causing burning pain that lasts long after the rash and blisters of shingles disappear.
Migraine is a severe, painful headache that can be accompanied by sensory warning signs such as blind spots, tingling in the arms and legs, nausea, vomiting, and increased sensitivity to light and sound.
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